React Home A JavaScript package called React is used to create user interfaces.React is a tool for creating one-page applications.We can make reusable user interface components with React. Learning by Examples React demonstration is made simple with our “Show React” tool. Both the code and the outcome are displayed. Example: import React from 'react'; import ReactDOM from 'react-dom/client'; function Hello(props) { return Hello World!; } const container = document.getElementById("root"); const root = ReactDOM.createRoot(container); root.render();